<template>
  <div>
    <!-- 主体部分 -->
    <section class="main">
      <input 
      v-model="isCheckAll"
      id="toggle-all" 
      class="toggle-all" 
      type="checkbox" />
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li 
        v-for="item in list" 
        :key="item.id" 
        :class="{completed: item.isDone === true}">
          <div class="view">
            <input 
            v-model="item.isDone" 
            @change="isChange(item.id)"
            class="toggle" 
            type="checkbox" 
            checked />
            <label>{{ item.name }}</label>
            <button @click="Del(item.id)" class="destroy"></button>
          </div>
        </li>
      </ul>
    </section>
  </div>
</template>

<script>
export default {
  data() {
    return {
      
    };
  },
  props: {
    list: {
      type: Array,
      repuired: true
    }
  },
  methods: {
    Del(id) {
      this.$emit('delData', id)
    },
    isChange(num) {
      this.$emit('IsChange', num)
    }
  },
  computed: {
    isCheckAll: {
      get() {
        return this.list.every(item => item.isDone)
      },
      set(val) {
        this.$emit('changeAll', val)
      }
    }
  }
}
</script>

<style scoped>

</style>